612853919691 has 32 divisors (see below), whose sum is σ = 909376081152. Its totient is φ = 364722825600.

The previous prime is 612853919669. The next prime is 612853919723. The reversal of 612853919691 is 196919358216.

It is not a de Polignac number, because 612853919691 - 2¹⁵ = 612853886923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612853919611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1639765 + ... + 1978518.

It is an arithmetic number, because the mean of its divisors is an integer number (28418002536).

Almost surely, 2^612853919691 is an apocalyptic number.

612853919691 is a deficient number, since it is larger than the sum of its proper divisors (296522161461).

612853919691 is a wasteful number, since it uses less digits than its factorization.

612853919691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618443.

The product of its digits is 6298560, while the sum is 60.

The spelling of 612853919691 in words is "six hundred twelve billion, eight hundred fifty-three million, nine hundred nineteen thousand, six hundred ninety-one".